data migration error

hai all

am trying to upgrade the ax2009 data, i sucessfully completed source system with out any error

but in target machine, whn i try to presynchronize am getting one error tat is Updating the GLS columns exceptions

method name: updateGLSColumnsExceptions Modle : Administration

i compiled tat class also, thr is no errors in this class

can anyone help me , how to solve this error

thanx in advance

the error msg is,

System.NullReferenceException: Object reference not set to an instance of an object. at Dynamics.Ax.Application.ReleaseUpdateDB.fieldExists(Int32 _tableId, Int32 _fieldId) in ReleaseUpdateDB.fieldExists.xpp:line 24

hai all

anyone pls suggest me some solution for this

thanx in advance